# QSFP Transceiver BlueOptics QSFP-40G-ER4-BO 40000 Mbit/s QSFP

**URL:** https://aio.lv/en/product--blueoptics-qsfp-40g-er4-bo--10621255
**Data updated:** 2026-02-25 16:39 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP-40G-ER4-BO
**EAN:** 4063232310930
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 880.49 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 727.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp-40g-er4-bo--10621255

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.08.2026 | free |
| Pickup points | 18.08.2026 | 1.89 EUR |
| Courier delivery to door | 18.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics QSFP-40G-ER4-BO is a fiber optic transceiver module with a maximum data transfer rate of 40000 Mbit/s. It features a QSFP interface and is compatible with Cisco devices. Weighing 40 g, it is designed for high-performance networking applications.

## Long description

The BlueOptics QSFP-40G-ER4-BO is a fiber optic QSFP transceiver module designed for 40 Gigabit Ethernet links. Supporting a maximum data transfer rate of 40000 Mbit/s and a maximum transfer distance of 40000 m, this compact silver module uses LC fiber connectors and fits QSFP ports common in high-performance network equipment. The module is compatible with Cisco devices and weighs approximately 0.04 kg, making it suitable for dense rack deployments and long-reach fiber connections.
Advantages
This transceiver offers 40 Gigabit Ethernet throughput with long-reach capability up to 40 km, enabling high-bandwidth connections between data center switches and aggregation points. The QSFP form factor allows for efficient port density, while LC connectors provide standardized fiber termination. The silver, compact housing reduces space usage in networking racks and supports hot-pluggable replacement without powering down compatible equipment.
Suitable for
 Interconnecting data center switches and routers over single-mode fiber
 Long-distance backbone links and metro network connections
 High-bandwidth uplinks between aggregation and core network devices
 Environments requiring QSFP ports and LC fiber termination
Key specifications
 Maximum data transfer rate: 40000 Mbit/s (40 Gb/s)
 Maximum transfer distance: 40000 m (40 km)
 Interface type: QSFP (40 Gigabit Ethernet)
 Fiber connector type: LC
 Form factor: QSFP optical transceiver
 Colour: Silver
 Weight: 0.04 kg
How to use
Install the QSFP module into a compatible QSFP port on supported network equipment following the device manufacturer's hot-swap and handling instructions. Connect LC-terminated single-mode fiber cables to the module's LC connectors, ensuring correct polarity and secure connector seating. After insertion and cable connection, verify link status and configure the switch or router port for 40 Gigabit Ethernet operation according to the network design and device configuration guidelines.
Usage recommendations
Handle the transceiver by its housing, avoid touching the fiber endfaces, and keep dust caps on unused connectors. Use single-mode fiber with appropriate attenuation and test links after installation to confirm performance. Ensure firmware and device drivers on host equipment support the QSFP-40G-ER4-BO for proper interoperability.

## Specifications

| Feature | Value |
|---|---|
| Compatibility | QSFP-40G-ER4 |
| Interface type | QSFP |
| Ethernet LAN | Yes |
| Hot-Plug support | Yes |
| Easy to install | Yes |
| Brand compatibility | Cisco |
| SFP transceiver type | Fiber optic |
| Single-mode fiber (SMF) supported | Yes |
| SFP transceiver standard | ER4 |

### Network

| Feature | Value |
|---|---|
| Ethernet interface type | 40 Gigabit Ethernet |
| Maximum data transfer rate | 40000 Mbit/s |
| Fiber ethernet cabling technology | 40GBASE |
| Duplex system | Full |

### Ports & interfaces

| Feature | Value |
|---|---|
| Fiber optic connector | LC |

### Performance

| Feature | Value |
|---|---|
| Maximum transfer distance | 40000 m |
| Rx wavelength (max) | 1310 nm |
| Tx wavelength (max) | 1310 nm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.04 kg |

### Other features

| Feature | Value |
|---|---|
| Form factor | QSFP |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 70 |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |
| Hot-swap | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 50 g |

## FAQ

### How much does the QSFP Transceiver BlueOptics QSFP-40G-ER4-BO cost, and is it available for purchase?

The price is 880.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BlueOptics products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BlueOptics service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: maximum data transfer rate, maximum transfer distance, weight, ethernet interface type, fiber optic connector, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for QSFP Transceiver BlueOptics QSFP-40G-ER4-BO?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10621255/62185120_large.webp